refactor(server): Refactor version and comment parsing into one function

jit-binding-server/src/main/kotlin/io/github/typesafegithub/workflows/jitbindingserver/RequestParsing.kt

@@ -31,24 +31,7 @@ fun Parameters.parseRequest(extractVersion: Boolean): BindingsServerRequest? {
             .drop(1)
             .joinToString("/")
             .takeUnless { it.isBlank() }
-    val version =
-        if (extractVersion) {
-            val versionPart = this["version"]!!
-            if (significantVersion == COMMIT_LENIENT) {
-                val versionParts = versionPart.split("__")
-                if (versionParts.size < 2) {
-                    return null
-                }
-                versionParts[1]
-            } else {
-                versionPart
-            }
-        } else {
-            "irrelevant"
-        }
-    val comment =
-        if ((significantVersion == COMMIT_LENIENT) && extractVersion) this["version"]!!.split("__")[0] else null
-    val versionForTypings = if (extractVersion) this["version"]!!.split("__")[0] else "irrelevant"
+    val parsedVersion = parseVersion(extractVersion, significantVersion)
 
     return BindingsServerRequest(
         rawName = this["name"]!!,
@@ -57,11 +40,47 @@ fun Parameters.parseRequest(extractVersion: Boolean): BindingsServerRequest? {
             ActionCoords(
                 owner = owner,
                 name = name,
-                version = version,
-                versionForTypings = versionForTypings,
+                version = parsedVersion.version ?: return null,
+                versionForTypings = parsedVersion.versionForTypings!!,
                 significantVersion = significantVersion,
                 path = path,
-                comment = comment,
+                comment = parsedVersion.comment,
             ),
     )
 }
+
+private fun Parameters.parseVersion(
+    extractVersion: Boolean,
+    significantVersion: SignificantVersion,
+): ParsedVersion =
+    if (extractVersion) {
+        val versionPart = this["version"]!!
+        val (version, comment) =
+            if (significantVersion == COMMIT_LENIENT) {
+                val versionParts = versionPart.split("__", limit = 2)
+                if (versionParts.size == 1) {
+                    null to null
+                } else {
+                    versionParts[1] to versionParts[0]
+                }
+            } else {
+                versionPart to null
+            }
+        ParsedVersion(
+            version = version,
+            comment = comment,
+            versionForTypings = comment ?: version,
+        )
+    } else {
+        ParsedVersion(
+            version = "irrelevant",
+            comment = null,
+            versionForTypings = "irrelevant",
+        )
+    }
+
+private data class ParsedVersion(
+    val version: String?,
+    val comment: String?,
+    val versionForTypings: String?,
+)